[Feed] init

modules/Feed/Dockerfile

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+FROM alpine:3.5
+
+RUN apk add --no-cache python3 && \
+    apk add --no-cache py3-lxml && \
+    python3 -m ensurepip && \
+    rm -r /usr/lib/python*/ensurepip && \
+    pip3 install --upgrade pip setuptools && \
+    rm -r /root/.cache
+
+LABEL maintainer "Roman Timashev <roman@tmshv.ru>"
+
+ENV INSTALL_PATH /app
+RUN mkdir -p $INSTALL_PATH
+WORKDIR /$INSTALL_PATH
+
+COPY requirements.txt .
+RUN pip3 install -r requirements.txt
+
+COPY app ./app
+
+ENV DB_URI "mongodb://localhost:27017"
+ENV DB_USER ""
+ENV DB_PASSWORD ""
+ENV DB_NAME "hudozka"
+
+EXPOSE 5000
+CMD python3 app/main.py

modules/Feed/app/db.py

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+from pymongo import MongoClient
+from settings import db_uri, db_name, db_user, db_password
+
+db = MongoClient(db_uri)[db_name]
+if db_user and db_password:
+    auth_status = db.authenticate(db_user, db_password)
+    if not auth_status:
+        print('Failed to authenticate user')
+        exit(1)
+
+
+def collection(name):
+    return db[name]

modules/Feed/app/feed.py

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+import html
+
+from feedgen.feed import FeedGenerator
+
+from db import collection
+
+
+def get_feed():
+    events = list(collection('events').find({}))
+    news = list(collection('timeline').find({'type': 'post'}))
+
+    articles = events + news
+
+    fg = FeedGenerator()
+    fg.id('1')
+    fg.title('Шлиссельбургская ДХШ')
+    # fg.author({'name': 'John Doe', 'email': 'john@example.de'})
+    fg.link(href='https://art.shlisselburg.org', rel='alternate')
+    # fg.logo('http://ex.com/logo.jpg')
+    # fg.subtitle('События ')
+    fg.link(href='https://art.shlisselburg.org/feed', rel='self')
+    fg.language('en')
+
+    for article in articles:
+        content = html.unescape(article['post'])
+        article_id = article['id']
+        url = 'https://art.shlisselburg.org/article/{id}'.format(id=article_id)
+
+        fe = fg.add_entry()
+        fe.id(article_id)
+        fe.title(article['title'])
+        fe.content(content, None, 'CDATA')
+        fe.link({'href': url})
+
+    # return articles
+    return fg.atom_str(pretty=True)
+    # return fg.atom_str()

modules/Feed/app/main.py

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+from server import app
+from settings import host
+
+if __name__ == '__main__':
+    app.run(host=host)

modules/Feed/app/server.py

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+from flask import Flask
+
+from feed import get_feed
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def root():
+    feed = get_feed()
+    if not feed:
+        return '', 404
+
+    return feed

modules/Feed/app/settings.py

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+import os
+
+db_uri = os.getenv('DB_URI', 'mongodb://localhost:27017')
+db_name = os.getenv('DB_NAME', 'hudozka')
+db_user = os.getenv('DB_USER', None)
+db_password = os.getenv('DB_PASSWORD', None)
+host = os.getenv('APP_HOST', '0.0.0.0')

modules/Feed/requirements.txt

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+pymongo==3.4.0
+Flask==0.12
+redis==2.10.5
+PyYAML==3.12
+feedgen==0.5.1